Re: [PATCH v6 7/8] dmaengine: add a driver for Intel integrated DMA 64-bit

[Lee Jones]

FAO Vinod,

On Tue, 28 Jul 2015, Lee Jones wrote:
> On Mon, 27 Jul 2015, Andy Shevchenko wrote:
> 
> > Intel integrated DMA (iDMA) 64-bit is a specific IP that is used as a part of
> > LPSS devices such as HSUART or SPI. The iDMA IP is attached for private
> > usage on each host controller independently.
> > 
> > While it has similarities with Synopsys DesignWare DMA, the following
> > distinctions doesn't allow to use the existing driver:
> > - 64-bit mode with corresponding changes in Hardware Linked List data structure
> > - many slight differences in the channel registers
> > 
> > Moreover this driver is based on the DMA virtual channels framework that helps
> > to make the driver cleaner and easy to understand.
> > 
> > Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
> > ---
> >  drivers/dma/Kconfig  |   8 +
> >  drivers/dma/Makefile |   1 +
> >  drivers/dma/idma64.c | 710 +++++++++++++++++++++++++++++++++++++++++++++++++++
> >  drivers/dma/idma64.h | 233 +++++++++++++++++
> >  4 files changed, 952 insertions(+)
> >  create mode 100644 drivers/dma/idma64.c
> >  create mode 100644 drivers/dma/idma64.h
> 
> Applied, thanks.  Pull request to follow.

Will send out a pull request when I have Vinod's Ack.

[...]

Patches will still be applied to -next for soak testing though.

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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